Penalized-likelihood reconstruction with high-fidelity measurement models for high-resolution cone-beam imaging

S Tilley, M Jacobson, Q Cao, M Brehler… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
We present a novel reconstruction algorithm based on a general cone-beam CT forward
model, which is capable of incorporating the blur and noise correlations that are exhibited in …

Detector blur and correlated noise modeling for digital breast tomosynthesis reconstruction

J Zheng, JA Fessler, HP Chan - IEEE transactions on medical …, 2017 - ieeexplore.ieee.org
This paper describes a new image reconstruction method for digital breast tomosynthesis
(DBT). The new method incorporates detector blur into the forward model. The detector blur …

Model-based iterative reconstruction for propagation-based phase-contrast x-ray ct including models for the source and the detector

L Hehn, R Gradl, M Dierolf, KS Morgan… - … on Medical Imaging, 2019 - ieeexplore.ieee.org
Propagation-based phase-contrast X-ray computed tomography is a valuable tool for high-
resolution visualization of biological samples, giving distinct improvements in terms of …

[PDF][PDF] Spatial resolution properties in penalized-likelihood reconstruction of blurred tomographic data

W Wang, GJ Gang, JW Stayman - Int. Meeting Fully Three …, 2017 - onlinelibrary.fully3d.org
The understanding of the image properties produced by a medical imaging system is critical
to effective interpretation of the diagnostic images they produce. Quantitative analysis of …

[PDF][PDF] Digital breast tomosynthesis reconstruction with detector blur and correlated noise

J Zheng, JA Fessler, HP Chan - … on Image Formation in X-Ray …, 2016 - eecs.umich.edu
Si is challenging in general, particularly in body CT where bones etc. cause very nonuniform
noise. In DBT, compressed breasts have fairly uniform thickness, mainly composed of soft …

High-fidelity modeling of shift-variant focal-spot blur for high-resolution ct

S Tilley II, W Zbijewski, JW Stayman - arXiv preprint arXiv:1706.08946, 2017 - arxiv.org
Dedicated application-specific CT systems are popular solutions to high-resolution clinical
needs. Some applications, such as mammography and extremities imaging, require spatial …

Model-based iterative reconstruction for X-ray computed tomography using attenuation and propagation-based phase contrast

L Hehn - 2020 - mediatum.ub.tum.de
This work is focused on the development of reconstruction algorithms for different X-ray
imaging modalities to improve image quality. To enhance propagation-based phase …

[PDF][PDF] High-Fidelity Modeling of Shift-Variant Focal-Spot Blur for High-Resolution CT

II Steven Tilley, W Zbijewski… - Int'l Mtg. Fully 3D Image … - onlinelibrary.fully3d.org
Dedicated application-specific CT systems are popular solutions to high-resolution clinical
needs. Some applications, such as mammography and extremities imaging, require spatial …

Improving Image Reconstruction for Digital Breast Tomosynthesis

J Zheng - 2017 - deepblue.lib.umich.edu
Digital breast tomosynthesis (DBT) has been developed to reduce the issue of overlapping
tissue in conventional 2-D mammography for breast cancer screening and diagnosis. In the …